Finding the Fourth Proportional to 803,955.70, 1,206,711.15 and 489,027.70
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Solution
The fourth proportional to 803,955.70, 1,206,711.15 and 489,027.70 is: 734,014.55
Step by Step Solution
- Step 1: Write the proportion equation
803,955.70 : 1,206,711.15 = 489,027.70 : x - Step 2: Convert to fraction form
803,955.70/1,206,711.15 = 489,027.70/x - Step 3: Cross multiply
803,955.70x = 1,206,711.15 × 489,027.70 - Step 4: Simplify right side
803,955.70x = 590,115,178,248.86 - Step 5: Solve for x
x = 590,115,178,248.86/803,955.70 - Step 6: Final answer
x = 734,014.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.